public static void Main()
Console.Write("Enter x: ");
int x = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter y: ");
int y = Convert.ToInt32(Console.ReadLine());
bool isInsideCircle = (x * x + y * y <= 5) ? true : false;
bool isOutsideRectangle = (x < -1 && x > 5 && y < 1 && y > 5) ? true : false;
Console.WriteLine("The point O({0},{1}) is inside K((0,0),5)?: {2}", x, y, isInsideCircle);
Console.WriteLine("The point O({0},{1}) is outside rectangle ((-1, 1), (5, 5)?: {2}", x, y, isOutsideRectangle);